ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,088, issued on Sept. 8, was assigned to Dow Silicones Corp. (Midland, Mich.).
"Free standing film" was invented by Saugata Nad (Brussels), Serge Creutz (Liege, Belgium) and Christel Simon (Lobbes, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A free standing film is provide, including: 20 to 100 wt %, based on weight of the free standing film, of an irreversibly crosslinked cellulose ether containing 0.1 to 0.6 wt %, based on weight of the crosslinked cellulose ether, of polyether groups. Unit dose packages including the free standing film are also provided."
The patent was filed on Feb. 10, 2023, under Application No. 18/836,049.
*For fu...